ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,481, issued on Aug. 12, was assigned to WELLA INTERNATIONAL OPERATIONS SWITZERLAND SARL (Petit-Lancy, Switzerland).
"Silicon free hair conditioning composition" was invented by Christian Springob (Lorsch, Germany), Antonio Martinez-Campoy (Russelsheim, Germany) and Marion Stuess (Griesheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hair conditioning composition that is silicone free is described. The composition includes a fatty acid ester, a cationic surfactant and optional high melting fatty compound, an optional organic acid, an optional cationic polymer, an optional zwitterionic compound and an optional antidandruff compound."
Th...